Note G - Economic Dependency (Tables)

9 Months Ended

Mar. 31, 2022

Supplier Concentration Risk [Member]

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended March 31,				Nine Months Ended March 31,
	2022		2021		2022		2021
Supplier 1	$	2,946		5,978	$	10,800		15,765
	$	2,946		5,978	$	10,800		15,765

Customer Concentration Risk [Member]

Notes Tables

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended March 31,				Nine Months Ended March 31,
	2022		2021		2022		2021
Customer 1	$	13,846	$	23,215	$	40,110	$	72,001
Customer 2		6,773	(a)			22,761		16,288
Customer 3		10,673	(a)			19,795	(a)
Customer 4	(a)			5,811	(a)		(a)
	$	31,292	$	29,026	$	82,666	$	88,289